<%@page import="com.hongfasoft.servlet.JspsmartUploadServlet"%>
<%@page import="com.jspsmart.upload.SmartUpload"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
	pageEncoding="UTF-8"%>
<%@ page import="java.util.*,java.io.*"%>
<%@ page import="java.text.SimpleDateFormat"%>
<%@ page import="org.json.simple.*"%>
<%
	try
	{
		/**
		 * KindEditor JSP
		 *
		 * 本JSP程序是演示程序，建议不要直接在实际项目中使用。
		 * 如果您确定直接使用本程序，使用之前请仔细确认相关安全设置。
		 *
		 */

		//根目录路径，可以指定绝对路径，比如 /var/www/attached/
		String rootPath = pageContext.getServletContext().getRealPath("/") + JspsmartUploadServlet.imgRoot + "/";
		//根目录URL，可以指定绝对路径，比如 http://www.yoursite.com/attached/
		String rootUrl = request.getContextPath() + "/" + JspsmartUploadServlet.imgRoot + "/";
		//图片扩展名
		String[] fileTypes = new String[] { "gif", "jpg", "jpeg", "png", "bmp" };

		String dirName = request.getParameter("dir");
		/* if (dirName != null) {
			if (!Arrays.<String> asList(
					new String[] { "image", "flash", "media", "file" })
					.contains(dirName)) {
				out.println("Invalid Directory name.");
				return;
			}
			rootPath += dirName + "/";
			rootUrl += dirName + "/";
			File saveDirFile = new File(rootPath);
			if (!saveDirFile.exists()) {
				saveDirFile.mkdirs();
			}
		} */
		//根据path参数，设置各路径和URL
		String path = request.getParameter("path") != null ? request.getParameter("path") : "";
		String currentPath = rootPath + path;
		String currentUrl = rootUrl + path;
		String currentDirPath = path;
		String moveupDirPath = "";

		if (!"".equals(path))
		{
			String str = currentDirPath.substring(0, currentDirPath.length() - 1);
			moveupDirPath = str.lastIndexOf("/") >= 0 ? str.substring(0, str.lastIndexOf("/") + 1) : "";
		}

		//排序形式，name or size or type
		String order = request.getParameter("order") != null ? request.getParameter("order").toLowerCase() : "name";

		//不允许使用..移动到上一级目录
		if (path.indexOf("..") >= 0)
		{
			out.println("Access is not allowed.");
			return;
		}
		//最后一个字符不是/
		if (!"".equals(path) && !path.endsWith("/"))
		{
			out.println("Parameter is not valid.");
			return;
		}
		//目录不存在或不是目录
		File currentPathFile = new File(currentPath);
		if (!currentPathFile.isDirectory())
		{
			currentPathFile.mkdirs();/* 
			out.println("Directory does not exist.");
			return; */
		}

		//遍历目录取的文件信息
		List<Hashtable> fileList = new ArrayList<Hashtable>();
		if (currentPathFile.listFiles() != null)
		{
			for (File file : currentPathFile.listFiles())
			{
				Hashtable<String, Object> hash = new Hashtable<String, Object>();
				String fileName = file.getName();
				if (file.isDirectory())
				{
					hash.put("is_dir", true);
					hash.put("has_file", (file.listFiles() != null));
					hash.put("filesize", 0L);
					hash.put("is_photo", false);
					hash.put("filetype", "");
				} else if (file.isFile())
				{
					String fileExt = fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase();
					hash.put("is_dir", false);
					hash.put("has_file", false);
					hash.put("filesize", file.length());
					hash.put("is_photo", Arrays.<String> asList(fileTypes).contains(fileExt));
					hash.put("filetype", fileExt);
				}
				hash.put("filename", fileName);
				hash.put("datetime", new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(file.lastModified()));
				fileList.add(hash);
			}
		}

		if ("size".equals(order))
		{
			Collections.sort(fileList, new SizeComparator());
		} else if ("type".equals(order))
		{
			Collections.sort(fileList, new TypeComparator());
		} else
		{
			Collections.sort(fileList, new NameComparator());
		}
		JSONObject result = new JSONObject();
		result.put("moveup_dir_path", moveupDirPath);
		result.put("current_dir_path", currentDirPath);
		result.put("current_url", currentUrl);
		result.put("total_count", fileList.size());
		result.put("file_list", fileList);

		response.setContentType("application/json; charset=UTF-8");
		System.out.println("manager:\r\n" + result.toJSONString());
		out.println(result.toJSONString());
	} catch (Exception e)
	{
		e.printStackTrace();
	}
%>
<%!public class NameComparator implements Comparator
	{
		public int compare(Object a, Object b)
		{
			Hashtable hashA = (Hashtable) a;
			Hashtable hashB = (Hashtable) b;
			if (((Boolean) hashA.get("is_dir")) && !((Boolean) hashB.get("is_dir")))
			{
				return -1;
			} else if (!((Boolean) hashA.get("is_dir")) && ((Boolean) hashB.get("is_dir")))
			{
				return 1;
			} else
			{
				return ((String) hashA.get("filename")).compareTo((String) hashB.get("filename"));
			}
		}
	}

	public class SizeComparator implements Comparator
	{
		public int compare(Object a, Object b)
		{
			Hashtable hashA = (Hashtable) a;
			Hashtable hashB = (Hashtable) b;
			if (((Boolean) hashA.get("is_dir")) && !((Boolean) hashB.get("is_dir")))
			{
				return -1;
			} else if (!((Boolean) hashA.get("is_dir")) && ((Boolean) hashB.get("is_dir")))
			{
				return 1;
			} else
			{
				if (((Long) hashA.get("filesize")) > ((Long) hashB.get("filesize")))
				{
					return 1;
				} else if (((Long) hashA.get("filesize")) < ((Long) hashB.get("filesize")))
				{
					return -1;
				} else
				{
					return 0;
				}
			}
		}
	}

	public class TypeComparator implements Comparator
	{
		public int compare(Object a, Object b)
		{
			Hashtable hashA = (Hashtable) a;
			Hashtable hashB = (Hashtable) b;
			if (((Boolean) hashA.get("is_dir")) && !((Boolean) hashB.get("is_dir")))
			{
				return -1;
			} else if (!((Boolean) hashA.get("is_dir")) && ((Boolean) hashB.get("is_dir")))
			{
				return 1;
			} else
			{
				return ((String) hashA.get("filetype")).compareTo((String) hashB.get("filetype"));
			}
		}
	}%>